北京服務(wù)器負(fù)載均衡解決方案上海雪萊信息科技供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="信息化建設(shè)對(duì)各個(gè)組織機(jī)構(gòu)而言都是一項(xiàng)長(zhǎng)期的工作，硬件投資成本與性能回報(bào)是每個(gè)IT部門(mén)需要權(quán)衡的問(wèn)題。有別于傳統(tǒng)的負(fù)載均衡設(shè)備，深信服AD應(yīng)用交付產(chǎn)品除了能實(shí)現(xiàn)服務(wù)器負(fù)載均衡機(jī)制，提高服務(wù)器資源的利用率之外，還支持TCP連接復(fù)用、內(nèi)存緩存、H"><meta name="keywords" content="北京服務(wù)器負(fù)載均衡解決方案,負(fù)載均衡"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta 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src="http://tyunfile.71360.com/UploadFile/heixiang4/637172002901816407/1386815.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="88y8isj" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/heixiang4/637172002901816407/1386815.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="zovszg3" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)格要求：</span>面議</p><p><span>所在地：</span>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>北京服務(wù)器負(fù)載均衡解決方案,負(fù)載均衡</p><p><span>***更新：</span>2020-08-13 05:15:38</p><p><span id="click" >瀏覽次數(shù)：4次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="b7kwizw" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海雪萊信息科技有限公司</a></p><p><span>聯(lián)系人：</span>許經(jīng)理</p><p><span>郵箱: </span>846864328@qq.com</p><p><span>電話: </span>18621860861</p><p><span>傳真: </span>021_</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>021-68072100</p><p><span>地址: </span>南匯新城鎮(zhèn)環(huán)湖西二路800號(hào)215室</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="3sjlx38" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="t3s82my" class="box"><p><p style="text-indent:25px">信息化建設(shè)對(duì)各個(gè)組織機(jī)構(gòu)而言都是一項(xiàng)長(zhǎng)期的工作，硬件投資成本與性能回報(bào)是每個(gè)IT部門(mén)需要權(quán)衡的問(wèn)題。有別于傳統(tǒng)的負(fù)載均衡設(shè)備，深信服AD應(yīng)用交付產(chǎn)品除了能實(shí)現(xiàn)服務(wù)器負(fù)載均衡機(jī)制，提高服務(wù)器資源的利用率之外，還支持TCP連接復(fù)用、內(nèi)存緩存、HTTP壓縮、SSL卸載等眾多性能優(yōu)化技術(shù)。通過(guò)減少服務(wù)器的硬件資源消耗，北京服務(wù)器負(fù)載均衡解決方案，北京服務(wù)器負(fù)載均衡解決方案，北京服務(wù)器負(fù)載均衡解決方案，縮短服務(wù)器響應(yīng)時(shí)間，在節(jié)省了硬件投資成本的同時(shí)，有效地保障用戶訪問(wèn)的速度和穩(wěn)定性，進(jìn)而提升用戶的訪問(wèn)體驗(yàn)。節(jié)約企事業(yè)單位對(duì)通信鏈路的投資。北京服務(wù)器負(fù)載均衡解決方案</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京服務(wù)器負(fù)載均衡解決方案,負(fù)載均衡" src="http://tyunfile.71360.com/UploadFile/heixiang4/637172002901816407/1386815.png"></div><p> 1. 實(shí)現(xiàn)方式 </p> <p> 深信服AD設(shè)備支持基于 IP 地址、應(yīng)用類型和內(nèi)容等因素實(shí)現(xiàn)流量負(fù)載。通過(guò)這種方式管理員可以為不同類型的應(yīng)用類型分配不同的服務(wù)器資源。應(yīng)用類型調(diào)度支持基于不同協(xié)議上的多種應(yīng)用，包括 TCP、UDP、IP、DNS、E-mail、FTP、HTTP、RADIUS等等。在實(shí)現(xiàn)L4服務(wù)器負(fù)載均衡的場(chǎng)景中，AD設(shè)備負(fù)責(zé)將客戶端的請(qǐng)求轉(zhuǎn)發(fā)給服務(wù)器，然后客戶端與服務(wù)器之間建立TCP連接，此時(shí)AD設(shè)備所扮演的角色類似于一臺(tái)路由器。在NAT方式下，AD設(shè)備調(diào)度訪問(wèn)請(qǐng)求時(shí)，先進(jìn)行目的IP地址轉(zhuǎn)換，再將訪問(wèn)請(qǐng)求轉(zhuǎn)發(fā)給后端的每臺(tái)服務(wù)器。北京服務(wù)器負(fù)載均衡解決方案各條鏈路的帶寬存在差異，并且不同用戶發(fā)起的連接保存時(shí)長(zhǎng)差異較大。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京服務(wù)器負(fù)載均衡解決方案,負(fù)載均衡" src="http://tyunfile.71360.com/UploadFile/heixiang4/637167061602539062/936592.jpg"></div><p> 深信服全局負(fù)載均衡解決方案能夠幫助組織將相同應(yīng)用系統(tǒng)的服務(wù)內(nèi)容部署在不同地理位置之上，保證承載應(yīng)用系統(tǒng)的多數(shù)據(jù)中心能夠具備更高的持續(xù)性和可用性以及快速性，使得用戶不管身處全球任何位置都能獲得更快速、更穩(wěn)定的訪問(wèn)體驗(yàn)。 </p> <p> 通過(guò)多方位的健康檢查機(jī)制，AD設(shè)備能夠?qū)崟r(shí)的監(jiān)控各個(gè)數(shù)據(jù)中心的運(yùn)行狀況，及時(shí)發(fā)現(xiàn)出現(xiàn)故障的數(shù)據(jù)中心或者其內(nèi)部服務(wù)器，從而保證將用戶后續(xù)訪問(wèn)請(qǐng)求都分配到其他的正常數(shù)據(jù)中心或者服務(wù)器之上。不但使多站點(diǎn)之間形成冗余，保障用戶訪問(wèn)穩(wěn)定，還提升了各站點(diǎn)的資源利用率。 </p><p> 將深信服AD設(shè)備通過(guò)網(wǎng)關(guān)模式串接在用戶網(wǎng)絡(luò)鏈路中，所有流量都通過(guò)AD處理，當(dāng)用訪問(wèn)請(qǐng)求到達(dá)深信服AD時(shí)，深信服AD設(shè)備將根據(jù)預(yù)先設(shè)定的策略，將用戶流量分配到比較好的互聯(lián)網(wǎng)鏈路之上，同時(shí)在服務(wù)器群組中為用戶提供性能比較好的服務(wù)器，保證用戶訪問(wèn)體驗(yàn)，提高用戶滿意度。此種部署模式適合于鏈路負(fù)載、服務(wù)器負(fù)載以及全局負(fù)載需求。 </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> ? 路由部署Ⅰ－常規(guī)的AD設(shè)備部署模式，可以同時(shí)實(shí)現(xiàn)服務(wù)器負(fù)載和多鏈路負(fù)載，AD設(shè)備上做NAT，防火墻做透明模式。 </p> <p> ? 路由部署Ⅱ－防火墻上做NAT（WAN1-LAN1 / WAN2-LAN2），AD設(shè)備做路由，可以同時(shí)實(shí)現(xiàn)服務(wù)器負(fù)載和多鏈路負(fù)載。防火墻需要同時(shí)接兩條線到AD設(shè)備上，做DNS端口映射。 </p> <p> <br /> 深信服AD應(yīng)用交付設(shè)備集成智能路由、DNS透明代理和智能DNS解析等技術(shù)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京服務(wù)器負(fù)載均衡解決方案,負(fù)載均衡" src="http://tyunfile.71360.com/UploadFile/heixiang4/637167061609570312/1381499.jpg"></div><p style="text-indent:25px">基于七層內(nèi)容的調(diào)度機(jī)制，使得管理員可以通過(guò)應(yīng)用層的內(nèi)容交換來(lái)分配服務(wù)器資源，以實(shí)現(xiàn)用戶請(qǐng)求調(diào)度的多元化和個(gè)性化，業(yè)務(wù)應(yīng)用的場(chǎng)景十分多方位。例如，基于URI、HOST、COOKIE、USER_AGENT等HTTP頭部?jī)?nèi)容的匹配策略來(lái)選擇服務(wù)器，或者通過(guò)對(duì)HTTP頭部進(jìn)行請(qǐng)求改寫(xiě)和應(yīng)答改寫(xiě)，執(zhí)行頁(yè)面跳轉(zhuǎn)和丟棄等操作，實(shí)現(xiàn)不同業(yè)務(wù)系統(tǒng)之間的交互聯(lián)動(dòng)。在L7服務(wù)器負(fù)載均衡的場(chǎng)景中，AD設(shè)備先與客戶端建立TCP連接，獲取到訪問(wèn)請(qǐng)求的報(bào)文之后，再根據(jù)報(bào)文中所帶的應(yīng)用層內(nèi)容來(lái)選擇合適的服務(wù)器并與之建立TCP連接，此時(shí)AD設(shè)備所扮演的角色類似于一臺(tái)代理服務(wù)器。以便鏈路負(fù)載均衡可以基于報(bào)文的源或目的IP地址查找IP地址庫(kù)。北京服務(wù)器負(fù)載均衡解決方案</p><p style="text-indent:25px">實(shí)現(xiàn)了在某條鏈路中斷的情況下任然可以提供訪問(wèn)鏈接能力。北京服務(wù)器負(fù)載均衡解決方案</p><p> 無(wú)論是面向多數(shù)據(jù)中心的全局訪問(wèn)調(diào)度，還是針對(duì)多鏈路和服務(wù)器群的負(fù)載均衡，深信服AD設(shè)備都扮演著一個(gè)關(guān)鍵的控制節(jié)點(diǎn)角色，其設(shè)備的穩(wěn)定性和安全性則直接影響到業(yè)務(wù)交付網(wǎng)絡(luò)的可用性。為了避**點(diǎn)故障的問(wèn)題，采用雙機(jī)熱備是保證業(yè)務(wù)連續(xù)性的一種有效解決方案，能夠在很大程度上避免了網(wǎng)絡(luò)業(yè)務(wù)的中斷。 </p> <p> <br /> </p> <p> 兩臺(tái)深信服AD設(shè)備部署在網(wǎng)絡(luò)中，在此種模式下通常把正在執(zhí)行負(fù)載均衡調(diào)度的AD設(shè)備稱為主機(jī)，而另一臺(tái)處于待命狀態(tài)的AD設(shè)備則稱為備機(jī)。主機(jī)在處理業(yè)務(wù)的同時(shí)，會(huì)將業(yè)務(wù)產(chǎn)生的會(huì)話信息同步到備機(jī)，從而確保雙機(jī)切換后，新發(fā)起的業(yè)務(wù)訪問(wèn)能繼續(xù)得到響應(yīng)處理，當(dāng)前正在進(jìn)行的業(yè)務(wù)訪問(wèn)也不會(huì)因此而中斷。此種模式適合于大多數(shù)網(wǎng)絡(luò)環(huán)境中避**點(diǎn)故障的部署需求。北京服務(wù)器負(fù)載均衡解決方案</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/898395.html</p></div></div></div></div></div><div id="t7d32yv" class="page-right twoColRt"><div id="u7ykh8n" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="fhdzgxo" class="recomPic likePro"><a 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